:root {
  color-scheme: dark;
  --page-bg: #111;
  --app-color: #fff;
  --panel-border: rgba(255, 255, 255, 0.3);
  --session-hover-bg: rgba(255, 255, 255, 0.12);
  --session-active-bg: rgba(255, 255, 255, 0.22);
  --button-border: rgba(255, 255, 255, 0.35);
  --button-bg: rgba(255, 255, 255, 0.12);
  --button-hover-bg: rgba(255, 255, 255, 0.2);
  --button-color: #fff;
  --input-bg: #1d1d1d;
  --input-border: rgba(255, 255, 255, 0.35);
  --input-color: #fff;
  --input-placeholder: rgba(255, 255, 255, 0.5);
  --user-message-bg: #669933;
  --user-message-color: #fff;
  --assistant-message-bg: rebeccapurple;
  --assistant-message-color: #fff;
  --loading-dot-bg: #fff;
}

@media (prefers-color-scheme: light) {
  :root {
    color-scheme: light;
    --page-bg: #fdfdfd;
    --app-color: #1f2933;
    --panel-border: rgba(31, 41, 51, 0.22);
    --session-hover-bg: rgba(31, 41, 51, 0.08);
    --session-active-bg: rgba(31, 41, 51, 0.14);
    --button-border: rgba(31, 41, 51, 0.25);
    --button-bg: rgba(255, 255, 255, 0.78);
    --button-hover-bg: rgba(255, 255, 255, 0.98);
    --button-color: #1f2933;
    --input-bg: rgba(255, 255, 255, 0.92);
    --input-border: rgba(31, 41, 51, 0.25);
    --input-color: #1f2933;
    --input-placeholder: rgba(31, 41, 51, 0.48);
    --user-message-bg: #dbeafe;
    --user-message-color: #12355b;
    --assistant-message-bg: #f4e8ff;
    --assistant-message-color: #3f1f5f;
    --loading-dot-bg: #3f1f5f;
  }
}

body {
  margin: 0;
  background: var(--page-bg);
}

p {
  margin-top: 0;
  margin-bottom: 0;
}

pre {
  overflow-x: auto;
}

#app {
  position: fixed;
  inset: 0;
  margin: auto;
  width: 520px;
  height: 420px;
  font-family: monospace;
  opacity: 0.9;
  color: var(--app-color);
  padding: 8px;
  border-radius: 4px;
  display: flex;
  gap: 8px;
}

#footer {
  margin-top: auto;
  height: 10px;
  margin-bottom: 4px;
  text-align: right;
  font-size: 10px;
  opacity: 0.45;
}
a {
  color: black;
  text-decoration: none;
}

/******** Sidebar *********/
#sidebar {
  width: 140px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  border-right: 1px solid var(--panel-border);
  padding-right: 8px;
}

#new-session {
  font-family: monospace;
  cursor: pointer;
}

#sessions-title {
  opacity: 0.7;
  font-size: 12px;
}

#sessions {
  display: flex;
  flex-direction: column;
  gap: 4px;
  overflow-y: auto;
}

.session {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 4px;
  padding: 4px 6px;
  border-radius: 4px;
  cursor: pointer;
}

.session:hover {
  background: var(--session-hover-bg);
}

.session.active {
  background: var(--session-active-bg);
}

.session-name {
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.delete-session {
  opacity: 0;
  border: 0;
  background: transparent;
  color: var(--button-color);
  cursor: pointer;
  font-family: monospace;
}

.session:hover .delete-session {
  opacity: 0.7;
}

.delete-session:hover {
  opacity: 1;
}



/******** Chat *********/
#main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

#chat {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 8px;
  overflow-y: auto;
}

#input {
  display: flex;
  gap: 4px;
}

#message {
  flex: 1;
  min-width: 0;
  font-family: monospace;
  border: 1px solid var(--input-border);
  border-radius: 4px;
  background: var(--input-bg);
  color: var(--input-color);
}

#message::placeholder {
  color: var(--input-placeholder);
}


#messages {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 8px;
  overflow-y: auto;
  max-height: 60vh;
}

.user,
.assistant {
  padding: 4px 8px;
  border-radius: 4px;
  width: fit-content;
  max-width: 240px;
}

.user {
  align-self: flex-end;
  background: var(--user-message-bg);
  color: var(--user-message-color);
}

.assistant {
  align-self: flex-start;
  background: var(--assistant-message-bg);
  color: var(--assistant-message-color);
}

#input {
  display: flex;
  gap: 4px;
}

#message {
  flex: 1;
  font-family: monospace;
}

button {
  font-family: monospace;
}


.loading {
  display: flex;
  gap: 4px;
  align-items: center;
}

.loading span {
  width: 5px;
  height: 5px;
  background: var(--loading-dot-bg);
  border-radius: 999px;
  animation: blink 1s infinite;
}

.loading span:nth-child(2) {
  animation-delay: 0.2s;
}

.loading span:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes blink {
  0%, 80%, 100% {
    opacity: 0.3;
  }

  40% {
    opacity: 1;
  }
}

.message-meta {
  display: block;
  margin-top: 3px;
  font-size: 10px;
  opacity: 0.45;
}

#usage {
  min-height: 14px;
  margin-bottom: 4px;
  text-align: right;
  font-size: 10px;
  opacity: 0.45;
}

button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--button-border);
  border-radius: 4px;
  background: var(--button-bg);
  color: var(--button-color);
  cursor: pointer;
}

.icon-button {
  width: 32px;
  height: 28px;
}

.icon-button:hover:not(:disabled) {
  background: var(--button-hover-bg);
}

.icon-button:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

.icon-button svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.abort-button {
  background: var(--button-bg);
}

.icon-button[hidden] {
  display: none;
}